Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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40% of people who are rejected in romantic love slip into clinical depression.
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The average person will go on a date at least 100 times before they finally marry.
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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
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A man's beard grows fastest when he anticipates sex.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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